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- Cable Release
- A wire and button device designed to allow photographers to trip the camera's shutter without touching the camera. Generally used with a tripod-mounted camera to insure even greater steadiness.
- Candids
- Photos taken of people acting in a natural, spontaneous, unposed way. Often used to describe a category of wedding photographs.
- Catchlight
- The reflection of a light source in a subject's eyes. Intentionally creating a catchlight by providing a small amount of illumination with a flash or reflector can make your subject look more vivid.
- CC Filter
- A color compensating filter. It enables you to make fine adjustments of color tone or color density in color photography.
- CCD
- Charge coupled device, one of the two main types of image sensors used in digital cameras.
- CD-R
- CD-Recordable. A compact disc that holds up to 700 megabytes of digital information. A CD-R disc can be written to only once. Ideal for long-time storage of data or photos.
- CD-RW
- CD-Rewritable. Similar in virtually all respects to a CD-R except a CD-RW disc can be written and erased many times. Not preferred for long-time storage of data or photos.
- Center-Weighted Fill-Flash
- A fill-flash technique that uses the camera’s center-weighted meter for ambient light exposure measurement.
- Center-Weighted Metering
- Meter sensitivity is biased toward the center of the viewfinder. Recommended when the subject is in the center of the picture.
- Chromatic Aberration
- A phenomenon in which light rays passing through a lens focus at different points, depending on their wavelength. Axial chromatic aberration is a variation in focal length; lateral chromatic aberration, a variation in magnification.
- CIPA Standard
- The CIPA Standard refers to the measurement of digital still camera battery consumption by the Camera & Imaging Producst Association. Find out more.
- Circular Polarizing Filter
- Converts linear polarized light waves to circular polarized light waves. Required whenever polarizing is desired using autofocus cameras and cameras that have semi-silvered reflex mirrors.
- Close-up
- The general term for pictures taken at relatively close distances to achieve from 1/10 life-size (1:10) to life-size (1:1) images.
- CMOS
- Complementary metal-oxide semiconductor, one of the two main types of image sensors used in digital cameras.
- CMYK
- Cyan, magenta, yellow and black, the primary colors used in commercial color printing from which all other printing colors are derived.
- Color Conversion Filter
- A filter that alters the color temperature of light to make it suitable for the film in use. It enables you to use daylight-type film indoors or tungsten-type film outdoors.
- Color Temperature
- A scale used for rating the color quality of light. Measured in degrees Kelvin (K). The temperature of daylight on a sunny day is expressed as 5500K; light from a tungsten lamp, 3200K to 3400K.
- CompactFlash
- A type of storage card, available in a range of capacities, that's used in digital cameras to store images captured by the camera. The card can be erased when the images have been transferred or are no longer needed.
- Composition
- The arrangement of elements in a photograph.
- Continuous Servo AF
- A mode of autofocus in which focus detection continues as long as the shutter release button is lightly pressed.
- Contrast-Control Filter
- Used with black-and-white film to emphasize contrast in a picture. Yellow (Y), orange (O), and red (R) filters are available with contrast increasing in this order.
- Contrast
- A measure of the rate of an image's change of brightness. High contrast implies dark black and bright white content; medium contrast, a good spread from black to white; low contrast, a small spread of values from black to white.
- Cropping
- Trimming unwanted parts of an image.
- Curvature of Field
- A phenomenon in which light rays passing through a lens focus on a curved plane rather than a flat plane.